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authorAlexey Charkov <alchark@gmail.com>2010-12-23 07:11:21 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-01-25 10:07:01 -0500
commit21f47fbc5b18da4a3db680959aee887612ec9a72 (patch)
tree46dd2d4010c5c258f30e2dfeb1ea6d9d2404a845
parent1bae4ce27c9c90344f23c65ea6966c50ffeae2f5 (diff)
ARM: 6597/1: Add basic architecture support for VIA/WonderMedia 85xx SoC's
This adds support for the family of Systems-on-Chip produced initially by VIA and now its subsidiary WonderMedia that have recently become widespread in lower-end Chinese ARM-based tablets and netbooks. Support is included for both VT8500 and WM8505, selectable by a configuration switch at kernel build time. Included are basic machine initialization files, register and interrupt definitions, support for the on-chip interrupt controller, high-precision OS timer, GPIO lines, necessary macros for early debug, pulse-width-modulated outputs control, as well as platform device configurations for the specific drivers implemented elsewhere. Signed-off-by: Alexey Charkov <alchark@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat
-rw-r--r--arch/arm/Kconfig12
-rw-r--r--arch/arm/Makefile1
-rw-r--r--arch/arm/boot/compressed/Makefile4
-rw-r--r--arch/arm/boot/compressed/head-vt8500.S46
-rw-r--r--arch/arm/mach-vt8500/Kconfig73
-rw-r--r--arch/arm/mach-vt8500/Makefile9
-rw-r--r--arch/arm/mach-vt8500/Makefile.boot3
-rw-r--r--arch/arm/mach-vt8500/bv07.c77
-rw-r--r--arch/arm/mach-vt8500/devices-vt8500.c91
-rw-r--r--arch/arm/mach-vt8500/devices-wm8505.c99
-rw-r--r--arch/arm/mach-vt8500/devices.c270
-rw-r--r--arch/arm/mach-vt8500/devices.h88
-rw-r--r--arch/arm/mach-vt8500/gpio.c240
-rw-r--r--arch/arm/mach-vt8500/include/mach/debug-macro.S31
-rw-r--r--arch/arm/mach-vt8500/include/mach/entry-macro.S32
-rw-r--r--arch/arm/mach-vt8500/include/mach/gpio.h6
-rw-r--r--arch/arm/mach-vt8500/include/mach/hardware.h12
-rw-r--r--arch/arm/mach-vt8500/include/mach/i8042.h18
-rw-r--r--arch/arm/mach-vt8500/include/mach/io.h28
-rw-r--r--arch/arm/mach-vt8500/include/mach/irqs.h22
-rw-r--r--arch/arm/mach-vt8500/include/mach/memory.h28
-rw-r--r--arch/arm/mach-vt8500/include/mach/system.h18
-rw-r--r--arch/arm/mach-vt8500/include/mach/timex.h26
-rw-r--r--arch/arm/mach-vt8500/include/mach/uncompress.h37
-rw-r--r--arch/arm/mach-vt8500/include/mach/vmalloc.h20
-rw-r--r--arch/arm/mach-vt8500/include/mach/vt8500_irqs.h88
-rw-r--r--arch/arm/mach-vt8500/include/mach/vt8500_regs.h79
-rw-r--r--arch/arm/mach-vt8500/include/mach/vt8500fb.h31
-rw-r--r--arch/arm/mach-vt8500/include/mach/wm8505_irqs.h115
-rw-r--r--arch/arm/mach-vt8500/include/mach/wm8505_regs.h78
-rw-r--r--arch/arm/mach-vt8500/irq.c177
-rw-r--r--arch/arm/mach-vt8500/pwm.c265
-rw-r--r--arch/arm/mach-vt8500/timer.c155
-rw-r--r--arch/arm/mach-vt8500/wm8505_7in.c77
34 files changed, 2356 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 5cff165b7eb0..cab466fc5ae6 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -875,6 +875,16 @@ config PLAT_SPEAR
875 help 875 help
876 Support for ST's SPEAr platform (SPEAr3xx, SPEAr6xx and SPEAr13xx). 876 Support for ST's SPEAr platform (SPEAr3xx, SPEAr6xx and SPEAr13xx).
877 877
878config ARCH_VT8500
879 bool "VIA/WonderMedia 85xx"
880 select CPU_ARM926T
881 select GENERIC_GPIO
882 select ARCH_HAS_CPUFREQ
883 select GENERIC_CLOCKEVENTS
884 select ARCH_REQUIRE_GPIOLIB
885 select HAVE_PWM
886 help
887 Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
878endchoice 888endchoice
879 889
880# 890#
@@ -1007,6 +1017,8 @@ source "arch/arm/mach-versatile/Kconfig"
1007 1017
1008source "arch/arm/mach-vexpress/Kconfig" 1018source "arch/arm/mach-vexpress/Kconfig"
1009 1019
1020source "arch/arm/mach-vt8500/Kconfig"
1021
1010source "arch/arm/mach-w90x900/Kconfig" 1022source "arch/arm/mach-w90x900/Kconfig"
1011 1023
1012# Definitions to make life easier 1024# Definitions to make life easier
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index c22c1adfedd6..bd3b13e37178 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -190,6 +190,7 @@ machine-$(CONFIG_ARCH_U300) := u300
190machine-$(CONFIG_ARCH_U8500) := ux500 190machine-$(CONFIG_ARCH_U8500) := ux500
191machine-$(CONFIG_ARCH_VERSATILE) := versatile 191machine-$(CONFIG_ARCH_VERSATILE) := versatile
192machine-$(CONFIG_ARCH_VEXPRESS) := vexpress 192machine-$(CONFIG_ARCH_VEXPRESS) := vexpress
193machine-$(CONFIG_ARCH_VT8500) := vt8500
193machine-$(CONFIG_ARCH_W90X900) := w90x900 194machine-$(CONFIG_ARCH_W90X900) := w90x900
194machine-$(CONFIG_ARCH_NUC93X) := nuc93x 195machine-$(CONFIG_ARCH_NUC93X) := nuc93x
195machine-$(CONFIG_FOOTBRIDGE) := footbridge 196machine-$(CONFIG_FOOTBRIDGE) := footbridge
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 0a8f748e506a..78fe31a4f503 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -29,6 +29,10 @@ ifeq ($(CONFIG_ARCH_SA1100),y)
29OBJS += head-sa1100.o 29OBJS += head-sa1100.o
30endif 30endif
31 31
32ifeq ($(CONFIG_ARCH_VT8500),y)
33OBJS += head-vt8500.o
34endif
35
32ifeq ($(CONFIG_CPU_XSCALE),y) 36ifeq ($(CONFIG_CPU_XSCALE),y)
33OBJS += head-xscale.o 37OBJS += head-xscale.o
34endif 38endif
diff --git a/arch/arm/boot/compressed/head-vt8500.S b/arch/arm/boot/compressed/head-vt8500.S
new file mode 100644
index 000000000000..1dc1e21a3be3
--- /dev/null
+++ b/arch/arm/boot/compressed/head-vt8500.S
@@ -0,0 +1,46 @@
1/*
2 * linux/arch/arm/boot/compressed/head-vt8500.S
3 *
4 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *
6 * VIA VT8500 specific tweaks. This is merged into head.S by the linker.
7 *
8 */
9
10#include <linux/linkage.h>
11#include <asm/mach-types.h>
12
13 .section ".start", "ax"
14
15__VT8500_start:
16 @ Compare the SCC ID register against a list of known values
17 ldr r1, .SCCID
18 ldr r3, [r1]
19
20 @ VT8500 override
21 ldr r4, .VT8500SCC
22 cmp r3, r4
23 ldreq r7, .ID_BV07
24 beq .Lendvt8500
25
26 @ WM8505 override
27 ldr r4, .WM8505SCC
28 cmp r3, r4
29 ldreq r7, .ID_8505
30 beq .Lendvt8500
31
32 @ Otherwise, leave the bootloader's machine id untouched
33
34.SCCID:
35 .word 0xd8120000
36.VT8500SCC:
37 .word 0x34000102
38.WM8505SCC:
39 .word 0x34260103
40
41.ID_BV07:
42 .word MACH_TYPE_BV07
43.ID_8505:
44 .word MACH_TYPE_WM8505_7IN_NETBOOK
45
46.Lendvt8500:
diff --git a/arch/arm/mach-vt8500/Kconfig b/arch/arm/mach-vt8500/Kconfig
new file mode 100644
index 000000000000..2c20a341c11a
--- /dev/null
+++ b/arch/arm/mach-vt8500/Kconfig
@@ -0,0 +1,73 @@
1if ARCH_VT8500
2
3config VTWM_VERSION_VT8500
4 bool
5
6config VTWM_VERSION_WM8505
7 bool
8
9config MACH_BV07
10 bool "Benign BV07-8500 Mini Netbook"
11 depends on ARCH_VT8500
12 select VTWM_VERSION_VT8500
13 help
14 Add support for the inexpensive 7-inch netbooks sold by many
15 Chinese distributors under various names. Note that there are
16 many hardware implementations in identical exterior, make sure
17 that yours is indeed based on a VIA VT8500 chip.
18
19config MACH_WM8505_7IN_NETBOOK
20 bool "WM8505 7-inch generic netbook"
21 depends on ARCH_VT8500
22 select VTWM_VERSION_WM8505
23 help
24 Add support for the inexpensive 7-inch netbooks sold by many
25 Chinese distributors under various names. Note that there are
26 many hardware implementations in identical exterior, make sure
27 that yours is indeed based on a WonderMedia WM8505 chip.
28
29comment "LCD panel size"
30
31config WMT_PANEL_800X480
32 bool "7-inch with 800x480 resolution"
33 depends on (FB_VT8500 || FB_WM8505)
34 default y
35 help
36 These are found in most of the netbooks in generic cases, as
37 well as in Eken M001 tablets and possibly elsewhere.
38
39 To select this panel at runtime, say y here and append
40 'panel=800x480' to your kernel command line. Otherwise, the
41 largest one available will be used.
42
43config WMT_PANEL_800X600
44 bool "8-inch with 800x600 resolution"
45 depends on (FB_VT8500 || FB_WM8505)
46 help
47 These are found in Eken M003 tablets and possibly elsewhere.
48
49 To select this panel at runtime, say y here and append
50 'panel=800x600' to your kernel command line. Otherwise, the
51 largest one available will be used.
52
53config WMT_PANEL_1024X576
54 bool "10-inch with 1024x576 resolution"
55 depends on (FB_VT8500 || FB_WM8505)
56 help
57 These are found in CherryPal netbooks and possibly elsewhere.
58
59 To select this panel at runtime, say y here and append
60 'panel=1024x576' to your kernel command line. Otherwise, the
61 largest one available will be used.
62
63config WMT_PANEL_1024X600
64 bool "10-inch with 1024x600 resolution"
65 depends on (FB_VT8500 || FB_WM8505)
66 help
67 These are found in Eken M006 tablets and possibly elsewhere.
68
69 To select this panel at runtime, say y here and append
70 'panel=1024x600' to your kernel command line. Otherwise, the
71 largest one available will be used.
72
73endif
diff --git a/arch/arm/mach-vt8500/Makefile b/arch/arm/mach-vt8500/Makefile
new file mode 100644
index 000000000000..81aedb7c893c
--- /dev/null
+++ b/arch/arm/mach-vt8500/Makefile
@@ -0,0 +1,9 @@
1obj-y += devices.o gpio.o irq.o timer.o
2
3obj-$(CONFIG_VTWM_VERSION_VT8500) += devices-vt8500.o
4obj-$(CONFIG_VTWM_VERSION_WM8505) += devices-wm8505.o
5
6obj-$(CONFIG_MACH_BV07) += bv07.o
7obj-$(CONFIG_MACH_WM8505_7IN_NETBOOK) += wm8505_7in.o
8
9obj-$(CONFIG_HAVE_PWM) += pwm.o
diff --git a/arch/arm/mach-vt8500/Makefile.boot b/arch/arm/mach-vt8500/Makefile.boot
new file mode 100644
index 000000000000..a8acc4e24902
--- /dev/null
+++ b/arch/arm/mach-vt8500/Makefile.boot
@@ -0,0 +1,3 @@
1 zreladdr-y := 0x00008000
2params_phys-y := 0x00000100
3initrd_phys-y := 0x01000000
diff --git a/arch/arm/mach-vt8500/bv07.c b/arch/arm/mach-vt8500/bv07.c
new file mode 100644
index 000000000000..94a261d86bf0
--- /dev/null
+++ b/arch/arm/mach-vt8500/bv07.c
@@ -0,0 +1,77 @@
1/*
2 * arch/arm/mach-vt8500/bv07.c
3 *
4 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include <linux/io.h>
22#include <linux/pm.h>
23
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26
27#include "devices.h"
28
29static void __iomem *pmc_hiber;
30
31static struct platform_device *devices[] __initdata = {
32 &vt8500_device_uart0,
33 &vt8500_device_lcdc,
34 &vt8500_device_ehci,
35 &vt8500_device_ge_rops,
36 &vt8500_device_pwm,
37 &vt8500_device_pwmbl,
38 &vt8500_device_rtc,
39};
40
41static void vt8500_power_off(void)
42{
43 local_irq_disable();
44 writew(5, pmc_hiber);
45 asm("mcr%? p15, 0, %0, c7, c0, 4" : : "r" (0));
46}
47
48void __init bv07_init(void)
49{
50#ifdef CONFIG_FB_VT8500
51 void __iomem *gpio_mux_reg = ioremap(wmt_gpio_base + 0x200, 4);
52 if (gpio_mux_reg) {
53 writel(readl(gpio_mux_reg) | 1, gpio_mux_reg);
54 iounmap(gpio_mux_reg);
55 } else {
56 printk(KERN_ERR "Could not remap the GPIO mux register, display may not work properly!\n");
57 }
58#endif
59 pmc_hiber = ioremap(wmt_pmc_base + 0x12, 2);
60 if (pmc_hiber)
61 pm_power_off = &vt8500_power_off;
62 else
63 printk(KERN_ERR "PMC Hibernation register could not be remapped, not enabling power off!\n");
64
65 vt8500_set_resources();
66 platform_add_devices(devices, ARRAY_SIZE(devices));
67 vt8500_gpio_init();
68}
69
70MACHINE_START(BV07, "Benign BV07 Mini Netbook")
71 .boot_params = 0x00000100,
72 .reserve = vt8500_reserve_mem,
73 .map_io = vt8500_map_io,
74 .init_irq = vt8500_init_irq,
75 .timer = &vt8500_timer,
76 .init_machine = bv07_init,
77MACHINE_END
diff --git a/arch/arm/mach-vt8500/devices-vt8500.c b/arch/arm/mach-vt8500/devices-vt8500.c
new file mode 100644
index 000000000000..19519aeecf37
--- /dev/null
+++ b/arch/arm/mach-vt8500/devices-vt8500.c
@@ -0,0 +1,91 @@
1/* linux/arch/arm/mach-vt8500/devices-vt8500.c
2 *
3 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
4 *
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 */
15
16#include <linux/platform_device.h>
17
18#include <mach/vt8500_regs.h>
19#include <mach/vt8500_irqs.h>
20#include <mach/i8042.h>
21#include "devices.h"
22
23void __init vt8500_set_resources(void)
24{
25 struct resource tmp[3];
26
27 tmp[0] = wmt_mmio_res(VT8500_LCDC_BASE, SZ_1K);
28 tmp[1] = wmt_irq_res(IRQ_LCDC);
29 wmt_res_add(&vt8500_device_lcdc, tmp, 2);
30
31 tmp[0] = wmt_mmio_res(VT8500_UART0_BASE, 0x1040);
32 tmp[1] = wmt_irq_res(IRQ_UART0);
33 wmt_res_add(&vt8500_device_uart0, tmp, 2);
34
35 tmp[0] = wmt_mmio_res(VT8500_UART1_BASE, 0x1040);
36 tmp[1] = wmt_irq_res(IRQ_UART1);
37 wmt_res_add(&vt8500_device_uart1, tmp, 2);
38
39 tmp[0] = wmt_mmio_res(VT8500_UART2_BASE, 0x1040);
40 tmp[1] = wmt_irq_res(IRQ_UART2);
41 wmt_res_add(&vt8500_device_uart2, tmp, 2);
42
43 tmp[0] = wmt_mmio_res(VT8500_UART3_BASE, 0x1040);
44 tmp[1] = wmt_irq_res(IRQ_UART3);
45 wmt_res_add(&vt8500_device_uart3, tmp, 2);
46
47 tmp[0] = wmt_mmio_res(VT8500_EHCI_BASE, SZ_512);
48 tmp[1] = wmt_irq_res(IRQ_EHCI);
49 wmt_res_add(&vt8500_device_ehci, tmp, 2);
50
51 tmp[0] = wmt_mmio_res(VT8500_GEGEA_BASE, SZ_256);
52 wmt_res_add(&vt8500_device_ge_rops, tmp, 1);
53
54 tmp[0] = wmt_mmio_res(VT8500_PWM_BASE, 0x44);
55 wmt_res_add(&vt8500_device_pwm, tmp, 1);
56
57 tmp[0] = wmt_mmio_res(VT8500_RTC_BASE, 0x2c);
58 tmp[1] = wmt_irq_res(IRQ_RTC);
59 tmp[2] = wmt_irq_res(IRQ_RTCSM);
60 wmt_res_add(&vt8500_device_rtc, tmp, 3);
61}
62
63static void __init vt8500_set_externs(void)
64{
65 /* Non-resource-aware stuff */
66 wmt_ic_base = VT8500_IC_BASE;
67 wmt_gpio_base = VT8500_GPIO_BASE;
68 wmt_pmc_base = VT8500_PMC_BASE;
69 wmt_i8042_base = VT8500_PS2_BASE;
70
71 wmt_nr_irqs = VT8500_NR_IRQS;
72 wmt_timer_irq = IRQ_PMCOS0;
73 wmt_gpio_ext_irq[0] = IRQ_EXT0;
74 wmt_gpio_ext_irq[1] = IRQ_EXT1;
75 wmt_gpio_ext_irq[2] = IRQ_EXT2;
76 wmt_gpio_ext_irq[3] = IRQ_EXT3;
77 wmt_gpio_ext_irq[4] = IRQ_EXT4;
78 wmt_gpio_ext_irq[5] = IRQ_EXT5;
79 wmt_gpio_ext_irq[6] = IRQ_EXT6;
80 wmt_gpio_ext_irq[7] = IRQ_EXT7;
81 wmt_i8042_kbd_irq = IRQ_PS2KBD;
82 wmt_i8042_aux_irq = IRQ_PS2MOUSE;
83}
84
85void __init vt8500_map_io(void)
86{
87 iotable_init(wmt_io_desc, ARRAY_SIZE(wmt_io_desc));
88
89 /* Should be done before interrupts and timers are initialized */
90 vt8500_set_externs();
91}
diff --git a/arch/arm/mach-vt8500/devices-wm8505.c b/arch/arm/mach-vt8500/devices-wm8505.c
new file mode 100644
index 000000000000..db4594e029f4
--- /dev/null
+++ b/arch/arm/mach-vt8500/devices-wm8505.c
@@ -0,0 +1,99 @@
1/* linux/arch/arm/mach-vt8500/devices-wm8505.c
2 *
3 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
4 *
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 */
15
16#include <linux/platform_device.h>
17
18#include <mach/wm8505_regs.h>
19#include <mach/wm8505_irqs.h>
20#include <mach/i8042.h>
21#include "devices.h"
22
23void __init wm8505_set_resources(void)
24{
25 struct resource tmp[3];
26
27 tmp[0] = wmt_mmio_res(WM8505_GOVR_BASE, SZ_512);
28 wmt_res_add(&vt8500_device_wm8505_fb, tmp, 1);
29
30 tmp[0] = wmt_mmio_res(WM8505_UART0_BASE, 0x1040);
31 tmp[1] = wmt_irq_res(IRQ_UART0);
32 wmt_res_add(&vt8500_device_uart0, tmp, 2);
33
34 tmp[0] = wmt_mmio_res(WM8505_UART1_BASE, 0x1040);
35 tmp[1] = wmt_irq_res(IRQ_UART1);
36 wmt_res_add(&vt8500_device_uart1, tmp, 2);
37
38 tmp[0] = wmt_mmio_res(WM8505_UART2_BASE, 0x1040);
39 tmp[1] = wmt_irq_res(IRQ_UART2);
40 wmt_res_add(&vt8500_device_uart2, tmp, 2);
41
42 tmp[0] = wmt_mmio_res(WM8505_UART3_BASE, 0x1040);
43 tmp[1] = wmt_irq_res(IRQ_UART3);
44 wmt_res_add(&vt8500_device_uart3, tmp, 2);
45
46 tmp[0] = wmt_mmio_res(WM8505_UART4_BASE, 0x1040);
47 tmp[1] = wmt_irq_res(IRQ_UART4);
48 wmt_res_add(&vt8500_device_uart4, tmp, 2);
49
50 tmp[0] = wmt_mmio_res(WM8505_UART5_BASE, 0x1040);
51 tmp[1] = wmt_irq_res(IRQ_UART5);
52 wmt_res_add(&vt8500_device_uart5, tmp, 2);
53
54 tmp[0] = wmt_mmio_res(WM8505_EHCI_BASE, SZ_512);
55 tmp[1] = wmt_irq_res(IRQ_EHCI);
56 wmt_res_add(&vt8500_device_ehci, tmp, 2);
57
58 tmp[0] = wmt_mmio_res(WM8505_GEGEA_BASE, SZ_256);
59 wmt_res_add(&vt8500_device_ge_rops, tmp, 1);
60
61 tmp[0] = wmt_mmio_res(WM8505_PWM_BASE, 0x44);
62 wmt_res_add(&vt8500_device_pwm, tmp, 1);
63
64 tmp[0] = wmt_mmio_res(WM8505_RTC_BASE, 0x2c);
65 tmp[1] = wmt_irq_res(IRQ_RTC);
66 tmp[2] = wmt_irq_res(IRQ_RTCSM);
67 wmt_res_add(&vt8500_device_rtc, tmp, 3);
68}
69
70static void __init wm8505_set_externs(void)
71{
72 /* Non-resource-aware stuff */
73 wmt_ic_base = WM8505_IC_BASE;
74 wmt_sic_base = WM8505_SIC_BASE;
75 wmt_gpio_base = WM8505_GPIO_BASE;
76 wmt_pmc_base = WM8505_PMC_BASE;
77 wmt_i8042_base = WM8505_PS2_BASE;
78
79 wmt_nr_irqs = WM8505_NR_IRQS;
80 wmt_timer_irq = IRQ_PMCOS0;
81 wmt_gpio_ext_irq[0] = IRQ_EXT0;
82 wmt_gpio_ext_irq[1] = IRQ_EXT1;
83 wmt_gpio_ext_irq[2] = IRQ_EXT2;
84 wmt_gpio_ext_irq[3] = IRQ_EXT3;
85 wmt_gpio_ext_irq[4] = IRQ_EXT4;
86 wmt_gpio_ext_irq[5] = IRQ_EXT5;
87 wmt_gpio_ext_irq[6] = IRQ_EXT6;
88 wmt_gpio_ext_irq[7] = IRQ_EXT7;
89 wmt_i8042_kbd_irq = IRQ_PS2KBD;
90 wmt_i8042_aux_irq = IRQ_PS2MOUSE;
91}
92
93void __init wm8505_map_io(void)
94{
95 iotable_init(wmt_io_desc, ARRAY_SIZE(wmt_io_desc));
96
97 /* Should be done before interrupts and timers are initialized */
98 wm8505_set_externs();
99}
diff --git a/arch/arm/mach-vt8500/devices.c b/arch/arm/mach-vt8500/devices.c
new file mode 100644
index 000000000000..1fcdc36b358d
--- /dev/null
+++ b/arch/arm/mach-vt8500/devices.c
@@ -0,0 +1,270 @@
1/* linux/arch/arm/mach-vt8500/devices.c
2 *
3 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
4 *
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 */
15
16#include <linux/kernel.h>
17#include <linux/io.h>
18#include <linux/device.h>
19#include <linux/dma-mapping.h>
20#include <linux/platform_device.h>
21#include <linux/pwm_backlight.h>
22#include <linux/memblock.h>
23
24#include <asm/mach/arch.h>
25
26#include <mach/vt8500fb.h>
27#include <mach/i8042.h>
28#include "devices.h"
29
30/* These can't use resources currently */
31unsigned long wmt_ic_base __initdata;
32unsigned long wmt_sic_base __initdata;
33unsigned long wmt_gpio_base __initdata;
34unsigned long wmt_pmc_base __initdata;
35unsigned long wmt_i8042_base __initdata;
36
37int wmt_nr_irqs __initdata;
38int wmt_timer_irq __initdata;
39int wmt_gpio_ext_irq[8] __initdata;
40
41/* Should remain accessible after init.
42 * i8042 driver desperately calls for attention...
43 */
44int wmt_i8042_kbd_irq;
45int wmt_i8042_aux_irq;
46
47static u64 fb_dma_mask = DMA_BIT_MASK(32);
48
49struct platform_device vt8500_device_lcdc = {
50 .name = "vt8500-lcd",
51 .id = 0,
52 .dev = {
53 .dma_mask = &fb_dma_mask,
54 .coherent_dma_mask = DMA_BIT_MASK(32),
55 },
56};
57
58struct platform_device vt8500_device_wm8505_fb = {
59 .name = "wm8505-fb",
60 .id = 0,
61};
62
63/* Smallest to largest */
64static struct vt8500fb_platform_data panels[] = {
65#ifdef CONFIG_WMT_PANEL_800X480
66{
67 .xres_virtual = 800,
68 .yres_virtual = 480 * 2,
69 .mode = {
70 .name = "800x480",
71 .xres = 800,
72 .yres = 480,
73 .left_margin = 88,
74 .right_margin = 40,
75 .upper_margin = 32,
76 .lower_margin = 11,
77 .hsync_len = 0,
78 .vsync_len = 1,
79 .vmode = FB_VMODE_NONINTERLACED,
80 },
81},
82#endif
83#ifdef CONFIG_WMT_PANEL_800X600
84{
85 .xres_virtual = 800,
86 .yres_virtual = 600 * 2,
87 .mode = {
88 .name = "800x600",
89 .xres = 800,
90 .yres = 600,
91 .left_margin = 88,
92 .right_margin = 40,
93 .upper_margin = 32,
94 .lower_margin = 11,
95 .hsync_len = 0,
96 .vsync_len = 1,
97 .vmode = FB_VMODE_NONINTERLACED,
98 },
99},
100#endif
101#ifdef CONFIG_WMT_PANEL_1024X576
102{
103 .xres_virtual = 1024,
104 .yres_virtual = 576 * 2,
105 .mode = {
106 .name = "1024x576",
107 .xres = 1024,
108 .yres = 576,
109 .left_margin = 40,
110 .right_margin = 24,
111 .upper_margin = 32,
112 .lower_margin = 11,
113 .hsync_len = 96,
114 .vsync_len = 2,
115 .vmode = FB_VMODE_NONINTERLACED,
116 },
117},
118#endif
119#ifdef CONFIG_WMT_PANEL_1024X600
120{
121 .xres_virtual = 1024,
122 .yres_virtual = 600 * 2,
123 .mode = {
124 .name = "1024x600",
125 .xres = 1024,
126 .yres = 600,
127 .left_margin = 66,
128 .right_margin = 2,
129 .upper_margin = 19,
130 .lower_margin = 1,
131 .hsync_len = 23,
132 .vsync_len = 8,
133 .vmode = FB_VMODE_NONINTERLACED,
134 },
135},
136#endif
137};
138
139static int current_panel_idx __initdata = ARRAY_SIZE(panels) - 1;
140
141static int __init panel_setup(char *str)
142{
143 int i;
144
145 for (i = 0; i < ARRAY_SIZE(panels); i++) {
146 if (strcmp(panels[i].mode.name, str) == 0) {
147 current_panel_idx = i;
148 break;
149 }
150 }
151 return 0;
152}
153
154early_param("panel", panel_setup);
155
156static inline void preallocate_fb(struct vt8500fb_platform_data *p,
157 unsigned long align) {
158 p->video_mem_len = (p->xres_virtual * p->yres_virtual * 4) >>
159 (p->bpp > 16 ? 0 : (p->bpp > 8 ? 1 :
160 (8 / p->bpp) + 1));
161 p->video_mem_phys = (unsigned long)memblock_alloc(p->video_mem_len,
162 align);
163 p->video_mem_virt = phys_to_virt(p->video_mem_phys);
164}
165
166struct platform_device vt8500_device_uart0 = {
167 .name = "vt8500_serial",
168 .id = 0,
169};
170
171struct platform_device vt8500_device_uart1 = {
172 .name = "vt8500_serial",
173 .id = 1,
174};
175
176struct platform_device vt8500_device_uart2 = {
177 .name = "vt8500_serial",
178 .id = 2,
179};
180
181struct platform_device vt8500_device_uart3 = {
182 .name = "vt8500_serial",
183 .id = 3,
184};
185
186struct platform_device vt8500_device_uart4 = {
187 .name = "vt8500_serial",
188 .id = 4,
189};
190
191struct platform_device vt8500_device_uart5 = {
192 .name = "vt8500_serial",
193 .id = 5,
194};
195
196static u64 ehci_dma_mask = DMA_BIT_MASK(32);
197
198struct platform_device vt8500_device_ehci = {
199 .name = "vt8500-ehci",
200 .id = 0,
201 .dev = {
202 .dma_mask = &ehci_dma_mask,
203 .coherent_dma_mask = DMA_BIT_MASK(32),
204 },
205};
206
207struct platform_device vt8500_device_ge_rops = {
208 .name = "wmt_ge_rops",
209 .id = -1,
210};
211
212struct platform_device vt8500_device_pwm = {
213 .name = "vt8500-pwm",
214 .id = 0,
215};
216
217static struct platform_pwm_backlight_data vt8500_pwmbl_data = {
218 .pwm_id = 0,
219 .max_brightness = 128,
220 .dft_brightness = 70,
221 .pwm_period_ns = 250000, /* revisit when clocks are implemented */
222};
223
224struct platform_device vt8500_device_pwmbl = {
225 .name = "pwm-backlight",
226 .id = 0,
227 .dev = {
228 .platform_data = &vt8500_pwmbl_data,
229 },
230};
231
232struct platform_device vt8500_device_rtc = {
233 .name = "vt8500-rtc",
234 .id = 0,
235};
236
237struct map_desc wmt_io_desc[] __initdata = {
238 /* SoC MMIO registers */
239 [0] = {
240 .virtual = 0xf8000000,
241 .pfn = __phys_to_pfn(0xd8000000),
242 .length = 0x00390000, /* max of all chip variants */
243 .type = MT_DEVICE
244 },
245 /* PCI I/O space, numbers tied to those in <mach/io.h> */
246 [1] = {
247 .virtual = 0xf0000000,
248 .pfn = __phys_to_pfn(0xc0000000),
249 .length = SZ_64K,
250 .type = MT_DEVICE
251 },
252};
253
254void __init vt8500_reserve_mem(void)
255{
256#ifdef CONFIG_FB_VT8500
257 panels[current_panel_idx].bpp = 16; /* Always use RGB565 */
258 preallocate_fb(&panels[current_panel_idx], SZ_4M);
259 vt8500_device_lcdc.dev.platform_data = &panels[current_panel_idx];
260#endif
261}
262
263void __init wm8505_reserve_mem(void)
264{
265#if defined CONFIG_FB_WM8505
266 panels[current_panel_idx].bpp = 32; /* Always use RGB888 */
267 preallocate_fb(&panels[current_panel_idx], 32);
268 vt8500_device_wm8505_fb.dev.platform_data = &panels[current_panel_idx];
269#endif
270}
diff --git a/arch/arm/mach-vt8500/devices.h b/arch/arm/mach-vt8500/devices.h
new file mode 100644
index 000000000000..188d4e17f35c
--- /dev/null
+++ b/arch/arm/mach-vt8500/devices.h
@@ -0,0 +1,88 @@
1/* linux/arch/arm/mach-vt8500/devices.h
2 *
3 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
4 *
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 */
15
16#ifndef __ARCH_ARM_MACH_VT8500_DEVICES_H
17#define __ARCH_ARM_MACH_VT8500_DEVICES_H
18
19#include <linux/platform_device.h>
20#include <asm/mach/map.h>
21
22void __init vt8500_init_irq(void);
23void __init wm8505_init_irq(void);
24void __init vt8500_map_io(void);
25void __init wm8505_map_io(void);
26void __init vt8500_reserve_mem(void);
27void __init wm8505_reserve_mem(void);
28void __init vt8500_gpio_init(void);
29void __init vt8500_set_resources(void);
30void __init wm8505_set_resources(void);
31
32extern unsigned long wmt_ic_base __initdata;
33extern unsigned long wmt_sic_base __initdata;
34extern unsigned long wmt_gpio_base __initdata;
35extern unsigned long wmt_pmc_base __initdata;
36
37extern int wmt_nr_irqs __initdata;
38extern int wmt_timer_irq __initdata;
39extern int wmt_gpio_ext_irq[8] __initdata;
40
41extern struct map_desc wmt_io_desc[2] __initdata;
42
43static inline struct resource wmt_mmio_res(u32 start, u32 size)
44{
45 struct resource tmp = {
46 .flags = IORESOURCE_MEM,
47 .start = start,
48 .end = start + size - 1,
49 };
50
51 return tmp;
52}
53
54static inline struct resource wmt_irq_res(int irq)
55{
56 struct resource tmp = {
57 .flags = IORESOURCE_IRQ,
58 .start = irq,
59 .end = irq,
60 };
61
62 return tmp;
63}
64
65static inline void wmt_res_add(struct platform_device *pdev,
66 const struct resource *res, unsigned int num)
67{
68 if (unlikely(platform_device_add_resources(pdev, res, num)))
69 pr_err("Failed to assign resources\n");
70}
71
72extern struct sys_timer vt8500_timer;
73
74extern struct platform_device vt8500_device_uart0;
75extern struct platform_device vt8500_device_uart1;
76extern struct platform_device vt8500_device_uart2;
77extern struct platform_device vt8500_device_uart3;
78extern struct platform_device vt8500_device_uart4;
79extern struct platform_device vt8500_device_uart5;
80
81extern struct platform_device vt8500_device_lcdc;
82extern struct platform_device vt8500_device_wm8505_fb;
83extern struct platform_device vt8500_device_ehci;
84extern struct platform_device vt8500_device_ge_rops;
85extern struct platform_device vt8500_device_pwm;
86extern struct platform_device vt8500_device_pwmbl;
87extern struct platform_device vt8500_device_rtc;
88#endif
diff --git a/arch/arm/mach-vt8500/gpio.c b/arch/arm/mach-vt8500/gpio.c
new file mode 100644
index 000000000000..2bcc0ec783df
--- /dev/null
+++ b/arch/arm/mach-vt8500/gpio.c
@@ -0,0 +1,240 @@
1/* linux/arch/arm/mach-vt8500/gpio.c
2 *
3 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
4 *
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 */
15
16#include <linux/gpio.h>
17#include <linux/init.h>
18#include <linux/irq.h>
19#include <linux/io.h>
20
21#include "devices.h"
22
23#define to_vt8500(__chip) container_of(__chip, struct vt8500_gpio_chip, chip)
24
25#define ENABLE_REGS 0x0
26#define DIRECTION_REGS 0x20
27#define OUTVALUE_REGS 0x40
28#define INVALUE_REGS 0x60
29
30#define EXT_REGOFF 0x1c
31
32static void __iomem *regbase;
33
34struct vt8500_gpio_chip {
35 struct gpio_chip chip;
36 unsigned int shift;
37 unsigned int regoff;
38};
39
40static int gpio_to_irq_map[8];
41
42static int vt8500_muxed_gpio_request(struct gpio_chip *chip,
43 unsigned offset)
44{
45 struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip);
46 unsigned val = readl(regbase + ENABLE_REGS + vt8500_chip->regoff);
47
48 val |= (1 << vt8500_chip->shift << offset);
49 writel(val, regbase + ENABLE_REGS + vt8500_chip->regoff);
50
51 return 0;
52}
53
54static void vt8500_muxed_gpio_free(struct gpio_chip *chip,
55 unsigned offset)
56{
57 struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip);
58 unsigned val = readl(regbase + ENABLE_REGS + vt8500_chip->regoff);
59
60 val &= ~(1 << vt8500_chip->shift << offset);
61 writel(val, regbase + ENABLE_REGS + vt8500_chip->regoff);
62}
63
64static int vt8500_muxed_gpio_direction_input(struct gpio_chip *chip,
65 unsigned offset)
66{
67 struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip);
68 unsigned val = readl(regbase + DIRECTION_REGS + vt8500_chip->regoff);
69
70 val &= ~(1 << vt8500_chip->shift << offset);
71 writel(val, regbase + DIRECTION_REGS + vt8500_chip->regoff);
72
73 return 0;
74}
75
76static int vt8500_muxed_gpio_direction_output(struct gpio_chip *chip,
77 unsigned offset, int value)
78{
79 struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip);
80 unsigned val = readl(regbase + DIRECTION_REGS + vt8500_chip->regoff);
81
82 val |= (1 << vt8500_chip->shift << offset);
83 writel(val, regbase + DIRECTION_REGS + vt8500_chip->regoff);
84
85 if (value) {
86 val = readl(regbase + OUTVALUE_REGS + vt8500_chip->regoff);
87 val |= (1 << vt8500_chip->shift << offset);
88 writel(val, regbase + OUTVALUE_REGS + vt8500_chip->regoff);
89 }
90 return 0;
91}
92
93static int vt8500_muxed_gpio_get_value(struct gpio_chip *chip,
94 unsigned offset)
95{
96 struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip);
97
98 return (readl(regbase + INVALUE_REGS + vt8500_chip->regoff)
99 >> vt8500_chip->shift >> offset) & 1;
100}
101
102static void vt8500_muxed_gpio_set_value(struct gpio_chip *chip,
103 unsigned offset, int value)
104{
105 struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip);
106 unsigned val = readl(regbase + INVALUE_REGS + vt8500_chip->regoff);
107
108 if (value)
109 val |= (1 << vt8500_chip->shift << offset);
110 else
111 val &= ~(1 << vt8500_chip->shift << offset);
112
113 writel(val, regbase + INVALUE_REGS + vt8500_chip->regoff);
114}
115
116#define VT8500_GPIO_BANK(__name, __shift, __off, __base, __num) \
117{ \
118 .chip = { \
119 .label = __name, \
120 .request = vt8500_muxed_gpio_request, \
121 .free = vt8500_muxed_gpio_free, \
122 .direction_input = vt8500_muxed_gpio_direction_input, \
123 .direction_output = vt8500_muxed_gpio_direction_output, \
124 .get = vt8500_muxed_gpio_get_value, \
125 .set = vt8500_muxed_gpio_set_value, \
126 .can_sleep = 0, \
127 .base = __base, \
128 .ngpio = __num, \
129 }, \
130 .shift = __shift, \
131 .regoff = __off, \
132}
133
134static struct vt8500_gpio_chip vt8500_muxed_gpios[] = {
135 VT8500_GPIO_BANK("uart0", 0, 0x0, 8, 4),
136 VT8500_GPIO_BANK("uart1", 4, 0x0, 12, 4),
137 VT8500_GPIO_BANK("spi0", 8, 0x0, 16, 4),
138 VT8500_GPIO_BANK("spi1", 12, 0x0, 20, 4),
139 VT8500_GPIO_BANK("spi2", 16, 0x0, 24, 4),
140 VT8500_GPIO_BANK("pwmout", 24, 0x0, 28, 2),
141
142 VT8500_GPIO_BANK("sdmmc", 0, 0x4, 30, 11),
143 VT8500_GPIO_BANK("ms", 16, 0x4, 41, 7),
144 VT8500_GPIO_BANK("i2c0", 24, 0x4, 48, 2),
145 VT8500_GPIO_BANK("i2c1", 26, 0x4, 50, 2),
146
147 VT8500_GPIO_BANK("mii", 0, 0x8, 52, 20),
148 VT8500_GPIO_BANK("see", 20, 0x8, 72, 4),
149 VT8500_GPIO_BANK("ide", 24, 0x8, 76, 7),
150
151 VT8500_GPIO_BANK("ccir", 0, 0xc, 83, 19),
152
153 VT8500_GPIO_BANK("ts", 8, 0x10, 102, 11),
154
155 VT8500_GPIO_BANK("lcd", 0, 0x14, 113, 23),
156};
157
158static int vt8500_gpio_direction_input(struct gpio_chip *chip,
159 unsigned offset)
160{
161 unsigned val = readl(regbase + DIRECTION_REGS + EXT_REGOFF);
162
163 val &= ~(1 << offset);
164 writel(val, regbase + DIRECTION_REGS + EXT_REGOFF);
165 return 0;
166}
167
168static int vt8500_gpio_direction_output(struct gpio_chip *chip,
169 unsigned offset, int value)
170{
171 unsigned val = readl(regbase + DIRECTION_REGS + EXT_REGOFF);
172
173 val |= (1 << offset);
174 writel(val, regbase + DIRECTION_REGS + EXT_REGOFF);
175
176 if (value) {
177 val = readl(regbase + OUTVALUE_REGS + EXT_REGOFF);
178 val |= (1 << offset);
179 writel(val, regbase + OUTVALUE_REGS + EXT_REGOFF);
180 }
181 return 0;
182}
183
184static int vt8500_gpio_get_value(struct gpio_chip *chip,
185 unsigned offset)
186{
187 return (readl(regbase + INVALUE_REGS + EXT_REGOFF) >> offset) & 1;
188}
189
190static void vt8500_gpio_set_value(struct gpio_chip *chip,
191 unsigned offset, int value)
192{
193 unsigned val = readl(regbase + OUTVALUE_REGS + EXT_REGOFF);
194
195 if (value)
196 val |= (1 << offset);
197 else
198 val &= ~(1 << offset);
199
200 writel(val, regbase + OUTVALUE_REGS + EXT_REGOFF);
201}
202
203static int vt8500_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
204{
205 if (offset > 7)
206 return -EINVAL;
207
208 return gpio_to_irq_map[offset];
209}
210
211static struct gpio_chip vt8500_external_gpios = {
212 .label = "extgpio",
213 .direction_input = vt8500_gpio_direction_input,
214 .direction_output = vt8500_gpio_direction_output,
215 .get = vt8500_gpio_get_value,
216 .set = vt8500_gpio_set_value,
217 .to_irq = vt8500_gpio_to_irq,
218 .can_sleep = 0,
219 .base = 0,
220 .ngpio = 8,
221};
222
223void __init vt8500_gpio_init(void)
224{
225 int i;
226
227 for (i = 0; i < 8; i++)
228 gpio_to_irq_map[i] = wmt_gpio_ext_irq[i];
229
230 regbase = ioremap(wmt_gpio_base, SZ_64K);
231 if (!regbase) {
232 printk(KERN_ERR "Failed to map MMIO registers for GPIO\n");
233 return;
234 }
235
236 gpiochip_add(&vt8500_external_gpios);
237
238 for (i = 0; i < ARRAY_SIZE(vt8500_muxed_gpios); i++)
239 gpiochip_add(&vt8500_muxed_gpios[i].chip);
240}
diff --git a/arch/arm/mach-vt8500/include/mach/debug-macro.S b/arch/arm/mach-vt8500/include/mach/debug-macro.S
new file mode 100644
index 000000000000..f1191626ad51
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/debug-macro.S
@@ -0,0 +1,31 @@
1/*
2 * arch/arm/mach-vt8500/include/mach/debug-macro.S
3 *
4 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *
6 * Debugging macro include header
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12*/
13
14 .macro addruart, rp, rv
15 mov \rp, #0x00200000
16 orr \rv, \rp, #0xf8000000
17 orr \rp, \rp, #0xd8000000
18 .endm
19
20 .macro senduart,rd,rx
21 strb \rd, [\rx, #0]
22 .endm
23
24 .macro busyuart,rd,rx
251001: ldr \rd, [\rx, #0x1c]
26 ands \rd, \rd, #0x2
27 bne 1001b
28 .endm
29
30 .macro waituart,rd,rx
31 .endm
diff --git a/arch/arm/mach-vt8500/include/mach/entry-macro.S b/arch/arm/mach-vt8500/include/mach/entry-macro.S
new file mode 100644
index 000000000000..92684c7eaed3
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/entry-macro.S
@@ -0,0 +1,32 @@
1/*
2 * arch/arm/mach-vt8500/include/mach/entry-macro.S
3 *
4 * Low-level IRQ helper macros for VIA VT8500
5 *
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
9 */
10
11 .macro disable_fiq
12 .endm
13
14 .macro get_irqnr_preamble, base, tmp
15 @ physical 0xd8140000 is virtual 0xf8140000
16 mov \base, #0xf8000000
17 orr \base, \base, #0x00140000
18 .endm
19
20 .macro arch_ret_to_user, tmp1, tmp2
21 .endm
22
23 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
24 ldr \irqnr, [\base]
25 cmp \irqnr, #63 @ may be false positive, check interrupt status
26 bne 1001f
27 ldr \irqstat, [\base, #0x84]
28 ands \irqstat, #0x80000000
29 moveq \irqnr, #0
301001:
31 .endm
32
diff --git a/arch/arm/mach-vt8500/include/mach/gpio.h b/arch/arm/mach-vt8500/include/mach/gpio.h
new file mode 100644
index 000000000000..94ff27678a46
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/gpio.h
@@ -0,0 +1,6 @@
1#include <asm-generic/gpio.h>
2
3#define gpio_get_value __gpio_get_value
4#define gpio_set_value __gpio_set_value
5#define gpio_cansleep __gpio_cansleep
6#define gpio_to_irq __gpio_to_irq
diff --git a/arch/arm/mach-vt8500/include/mach/hardware.h b/arch/arm/mach-vt8500/include/mach/hardware.h
new file mode 100644
index 000000000000..db4163f72c39
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/hardware.h
@@ -0,0 +1,12 @@
1/* arch/arm/mach-vt8500/include/mach/hardware.h
2 *
3 * This software is licensed under the terms of the GNU General Public
4 * License version 2, as published by the Free Software Foundation, and
5 * may be copied, distributed, and modified under those terms.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 */
diff --git a/arch/arm/mach-vt8500/include/mach/i8042.h b/arch/arm/mach-vt8500/include/mach/i8042.h
new file mode 100644
index 000000000000..cd7143cad6f3
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/i8042.h
@@ -0,0 +1,18 @@
1/* arch/arm/mach-vt8500/include/mach/i8042.h
2 *
3 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
4 *
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 */
15
16extern unsigned long wmt_i8042_base __initdata;
17extern int wmt_i8042_kbd_irq;
18extern int wmt_i8042_aux_irq;
diff --git a/arch/arm/mach-vt8500/include/mach/io.h b/arch/arm/mach-vt8500/include/mach/io.h
new file mode 100644
index 000000000000..9077239f78c9
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/io.h
@@ -0,0 +1,28 @@
1/*
2 * arch/arm/mach-vt8500/include/mach/io.h
3 *
4 * Copyright (C) 2010 Alexey Charkov
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20#ifndef __ASM_ARM_ARCH_IO_H
21#define __ASM_ARM_ARCH_IO_H
22
23#define IO_SPACE_LIMIT 0xffff
24
25#define __io(a) __typesafe_io((a) + 0xf0000000)
26#define __mem_pci(a) (a)
27
28#endif
diff --git a/arch/arm/mach-vt8500/include/mach/irqs.h b/arch/arm/mach-vt8500/include/mach/irqs.h
new file mode 100644
index 000000000000..a129fd1222fb
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/irqs.h
@@ -0,0 +1,22 @@
1/*
2 * arch/arm/mach-vt8500/include/mach/irqs.h
3 *
4 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21/* This value is just to make the core happy, never used otherwise */
22#define NR_IRQS 128
diff --git a/arch/arm/mach-vt8500/include/mach/memory.h b/arch/arm/mach-vt8500/include/mach/memory.h
new file mode 100644
index 000000000000..175f914eff93
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/memory.h
@@ -0,0 +1,28 @@
1/*
2 * arch/arm/mach-vt8500/include/mach/memory.h
3 *
4 * Copyright (C) 2003 ARM Limited
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20#ifndef __ASM_ARCH_MEMORY_H
21#define __ASM_ARCH_MEMORY_H
22
23/*
24 * Physical DRAM offset.
25 */
26#define PHYS_OFFSET UL(0x00000000)
27
28#endif
diff --git a/arch/arm/mach-vt8500/include/mach/system.h b/arch/arm/mach-vt8500/include/mach/system.h
new file mode 100644
index 000000000000..d6c757eaf26b
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/system.h
@@ -0,0 +1,18 @@
1/*
2 * arch/arm/mach-vt8500/include/mach/system.h
3 *
4 */
5#include <asm/io.h>
6
7/* PM Software Reset request register */
8#define VT8500_PMSR_VIRT 0xf8130060
9
10static inline void arch_idle(void)
11{
12 cpu_do_idle();
13}
14
15static inline void arch_reset(char mode, const char *cmd)
16{
17 writel(1, VT8500_PMSR_VIRT);
18}
diff --git a/arch/arm/mach-vt8500/include/mach/timex.h b/arch/arm/mach-vt8500/include/mach/timex.h
new file mode 100644
index 000000000000..8487e4c690b7
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/timex.h
@@ -0,0 +1,26 @@
1/*
2 * arch/arm/mach-vt8500/include/mach/timex.h
3 *
4 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#ifndef MACH_TIMEX_H
22#define MACH_TIMEX_H
23
24#define CLOCK_TICK_RATE (3000000)
25
26#endif /* MACH_TIMEX_H */
diff --git a/arch/arm/mach-vt8500/include/mach/uncompress.h b/arch/arm/mach-vt8500/include/mach/uncompress.h
new file mode 100644
index 000000000000..bb9e2d23fee3
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/uncompress.h
@@ -0,0 +1,37 @@
1/* arch/arm/mach-vt8500/include/mach/uncompress.h
2 *
3 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
4 *
5 * Based on arch/arm/mach-dove/include/mach/uncompress.h
6 *
7 * This software is licensed under the terms of the GNU General Public
8 * License version 2, as published by the Free Software Foundation, and
9 * may be copied, distributed, and modified under those terms.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 */
17
18#define UART0_PHYS 0xd8200000
19#include <asm/io.h>
20
21static void putc(const char c)
22{
23 while (readb(UART0_PHYS + 0x1c) & 0x2)
24 /* Tx busy, wait and poll */;
25
26 writeb(c, UART0_PHYS);
27}
28
29static void flush(void)
30{
31}
32
33/*
34 * nothing to do
35 */
36#define arch_decomp_setup()
37#define arch_decomp_wdog()
diff --git a/arch/arm/mach-vt8500/include/mach/vmalloc.h b/arch/arm/mach-vt8500/include/mach/vmalloc.h
new file mode 100644
index 000000000000..4642290ce416
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/vmalloc.h
@@ -0,0 +1,20 @@
1/*
2 * arch/arm/mach-vt8500/include/mach/vmalloc.h
3 *
4 * Copyright (C) 2000 Russell King.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20#define VMALLOC_END 0xd0000000UL
diff --git a/arch/arm/mach-vt8500/include/mach/vt8500_irqs.h b/arch/arm/mach-vt8500/include/mach/vt8500_irqs.h
new file mode 100644
index 000000000000..ecfee9124711
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/vt8500_irqs.h
@@ -0,0 +1,88 @@
1/*
2 * arch/arm/mach-vt8500/include/mach/vt8500_irqs.h
3 *
4 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21/* VT8500 Interrupt Sources */
22
23#define IRQ_JPEGENC 0 /* JPEG Encoder */
24#define IRQ_JPEGDEC 1 /* JPEG Decoder */
25 /* Reserved */
26#define IRQ_PATA 3 /* PATA Controller */
27 /* Reserved */
28#define IRQ_DMA 5 /* DMA Controller */
29#define IRQ_EXT0 6 /* External Interrupt 0 */
30#define IRQ_EXT1 7 /* External Interrupt 1 */
31#define IRQ_GE 8 /* Graphic Engine */
32#define IRQ_GOV 9 /* Graphic Overlay Engine */
33#define IRQ_ETHER 10 /* Ethernet MAC */
34#define IRQ_MPEGTS 11 /* Transport Stream Interface */
35#define IRQ_LCDC 12 /* LCD Controller */
36#define IRQ_EXT2 13 /* External Interrupt 2 */
37#define IRQ_EXT3 14 /* External Interrupt 3 */
38#define IRQ_EXT4 15 /* External Interrupt 4 */
39#define IRQ_CIPHER 16 /* Cipher */
40#define IRQ_VPP 17 /* Video Post-Processor */
41#define IRQ_I2C1 18 /* I2C 1 */
42#define IRQ_I2C0 19 /* I2C 0 */
43#define IRQ_SDMMC 20 /* SD/MMC Controller */
44#define IRQ_SDMMC_DMA 21 /* SD/MMC Controller DMA */
45#define IRQ_PMC_WU 22 /* Power Management Controller Wakeup */
46 /* Reserved */
47#define IRQ_SPI0 24 /* SPI 0 */
48#define IRQ_SPI1 25 /* SPI 1 */
49#define IRQ_SPI2 26 /* SPI 2 */
50#define IRQ_LCDDF 27 /* LCD Data Formatter */
51#define IRQ_NAND 28 /* NAND Flash Controller */
52#define IRQ_NAND_DMA 29 /* NAND Flash Controller DMA */
53#define IRQ_MS 30 /* MemoryStick Controller */
54#define IRQ_MS_DMA 31 /* MemoryStick Controller DMA */
55#define IRQ_UART0 32 /* UART 0 */
56#define IRQ_UART1 33 /* UART 1 */
57#define IRQ_I2S 34 /* I2S */
58#define IRQ_PCM 35 /* PCM */
59#define IRQ_PMCOS0 36 /* PMC OS Timer 0 */
60#define IRQ_PMCOS1 37 /* PMC OS Timer 1 */
61#define IRQ_PMCOS2 38 /* PMC OS Timer 2 */
62#define IRQ_PMCOS3 39 /* PMC OS Timer 3 */
63#define IRQ_VPU 40 /* Video Processing Unit */
64#define IRQ_VID 41 /* Video Digital Input Interface */
65#define IRQ_AC97 42 /* AC97 Interface */
66#define IRQ_EHCI 43 /* USB */
67#define IRQ_NOR 44 /* NOR Flash Controller */
68#define IRQ_PS2MOUSE 45 /* PS/2 Mouse */
69#define IRQ_PS2KBD 46 /* PS/2 Keyboard */
70#define IRQ_UART2 47 /* UART 2 */
71#define IRQ_RTC 48 /* RTC Interrupt */
72#define IRQ_RTCSM 49 /* RTC Second/Minute Update Interrupt */
73#define IRQ_UART3 50 /* UART 3 */
74#define IRQ_ADC 51 /* ADC */
75#define IRQ_EXT5 52 /* External Interrupt 5 */
76#define IRQ_EXT6 53 /* External Interrupt 6 */
77#define IRQ_EXT7 54 /* External Interrupt 7 */
78#define IRQ_CIR 55 /* CIR */
79#define IRQ_DMA0 56 /* DMA Channel 0 */
80#define IRQ_DMA1 57 /* DMA Channel 1 */
81#define IRQ_DMA2 58 /* DMA Channel 2 */
82#define IRQ_DMA3 59 /* DMA Channel 3 */
83#define IRQ_DMA4 60 /* DMA Channel 4 */
84#define IRQ_DMA5 61 /* DMA Channel 5 */
85#define IRQ_DMA6 62 /* DMA Channel 6 */
86#define IRQ_DMA7 63 /* DMA Channel 7 */
87
88#define VT8500_NR_IRQS 64
diff --git a/arch/arm/mach-vt8500/include/mach/vt8500_regs.h b/arch/arm/mach-vt8500/include/mach/vt8500_regs.h
new file mode 100644
index 000000000000..29c63ecb2383
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/vt8500_regs.h
@@ -0,0 +1,79 @@
1/*
2 * arch/arm/mach-vt8500/include/mach/vt8500_regs.h
3 *
4 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20#ifndef __ASM_ARM_ARCH_VT8500_REGS_H
21#define __ASM_ARM_ARCH_VT8500_REGS_H
22
23/* VT8500 Registers Map */
24
25#define VT8500_REGS_START_PHYS 0xd8000000 /* Start of MMIO registers */
26#define VT8500_REGS_START_VIRT 0xf8000000 /* Virtual mapping start */
27
28#define VT8500_DDR_BASE 0xd8000000 /* 1k DDR/DDR2 Memory
29 Controller */
30#define VT8500_DMA_BASE 0xd8001000 /* 1k DMA Controller */
31#define VT8500_SFLASH_BASE 0xd8002000 /* 1k Serial Flash Memory
32 Controller */
33#define VT8500_ETHER_BASE 0xd8004000 /* 1k Ethernet MAC 0 */
34#define VT8500_CIPHER_BASE 0xd8006000 /* 4k Cipher */
35#define VT8500_USB_BASE 0xd8007800 /* 2k USB OTG */
36# define VT8500_EHCI_BASE 0xd8007900 /* EHCI */
37# define VT8500_UHCI_BASE 0xd8007b01 /* UHCI */
38#define VT8500_PATA_BASE 0xd8008000 /* 512 PATA */
39#define VT8500_PS2_BASE 0xd8008800 /* 1k PS/2 */
40#define VT8500_NAND_BASE 0xd8009000 /* 1k NAND Controller */
41#define VT8500_NOR_BASE 0xd8009400 /* 1k NOR Controller */
42#define VT8500_SDMMC_BASE 0xd800a000 /* 1k SD/MMC Controller */
43#define VT8500_MS_BASE 0xd800b000 /* 1k MS/MSPRO Controller */
44#define VT8500_LCDC_BASE 0xd800e400 /* 1k LCD Controller */
45#define VT8500_VPU_BASE 0xd8050000 /* 256 VPU */
46#define VT8500_GOV_BASE 0xd8050300 /* 256 GOV */
47#define VT8500_GEGEA_BASE 0xd8050400 /* 768 GE/GE Alpha Mixing */
48#define VT8500_LCDF_BASE 0xd8050900 /* 256 LCD Formatter */
49#define VT8500_VID_BASE 0xd8050a00 /* 256 VID */
50#define VT8500_VPP_BASE 0xd8050b00 /* 256 VPP */
51#define VT8500_TSBK_BASE 0xd80f4000 /* 4k TSBK */
52#define VT8500_JPEGDEC_BASE 0xd80fe000 /* 4k JPEG Decoder */
53#define VT8500_JPEGENC_BASE 0xd80ff000 /* 4k JPEG Encoder */
54#define VT8500_RTC_BASE 0xd8100000 /* 64k RTC */
55#define VT8500_GPIO_BASE 0xd8110000 /* 64k GPIO Configuration */
56#define VT8500_SCC_BASE 0xd8120000 /* 64k System Configuration*/
57#define VT8500_PMC_BASE 0xd8130000 /* 64k PMC Configuration */
58#define VT8500_IC_BASE 0xd8140000 /* 64k Interrupt Controller*/
59#define VT8500_UART0_BASE 0xd8200000 /* 64k UART 0 */
60#define VT8500_UART2_BASE 0xd8210000 /* 64k UART 2 */
61#define VT8500_PWM_BASE 0xd8220000 /* 64k PWM Configuration */
62#define VT8500_SPI0_BASE 0xd8240000 /* 64k SPI 0 */
63#define VT8500_SPI1_BASE 0xd8250000 /* 64k SPI 1 */
64#define VT8500_CIR_BASE 0xd8270000 /* 64k CIR */
65#define VT8500_I2C0_BASE 0xd8280000 /* 64k I2C 0 */
66#define VT8500_AC97_BASE 0xd8290000 /* 64k AC97 */
67#define VT8500_SPI2_BASE 0xd82a0000 /* 64k SPI 2 */
68#define VT8500_UART1_BASE 0xd82b0000 /* 64k UART 1 */
69#define VT8500_UART3_BASE 0xd82c0000 /* 64k UART 3 */
70#define VT8500_PCM_BASE 0xd82d0000 /* 64k PCM */
71#define VT8500_I2C1_BASE 0xd8320000 /* 64k I2C 1 */
72#define VT8500_I2S_BASE 0xd8330000 /* 64k I2S */
73#define VT8500_ADC_BASE 0xd8340000 /* 64k ADC */
74
75#define VT8500_REGS_END_PHYS 0xd834ffff /* End of MMIO registers */
76#define VT8500_REGS_LENGTH (VT8500_REGS_END_PHYS \
77 - VT8500_REGS_START_PHYS + 1)
78
79#endif
diff --git a/arch/arm/mach-vt8500/include/mach/vt8500fb.h b/arch/arm/mach-vt8500/include/mach/vt8500fb.h
new file mode 100644
index 000000000000..7f399c370fe0
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/vt8500fb.h
@@ -0,0 +1,31 @@
1/*
2 * VT8500/WM8505 Frame Buffer platform data definitions
3 *
4 * Copyright (C) 2010 Ed Spiridonov <edo.rus@gmail.com>
5 *
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16#ifndef _VT8500FB_H
17#define _VT8500FB_H
18
19#include <linux/fb.h>
20
21struct vt8500fb_platform_data {
22 struct fb_videomode mode;
23 u32 xres_virtual;
24 u32 yres_virtual;
25 u32 bpp;
26 unsigned long video_mem_phys;
27 void *video_mem_virt;
28 unsigned long video_mem_len;
29};
30
31#endif /* _VT8500FB_H */
diff --git a/arch/arm/mach-vt8500/include/mach/wm8505_irqs.h b/arch/arm/mach-vt8500/include/mach/wm8505_irqs.h
new file mode 100644
index 000000000000..6128627ac753
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/wm8505_irqs.h
@@ -0,0 +1,115 @@
1/*
2 * arch/arm/mach-vt8500/include/mach/wm8505_irqs.h
3 *
4 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21/* WM8505 Interrupt Sources */
22
23#define IRQ_UHCI 0 /* UHC FS (UHCI?) */
24#define IRQ_EHCI 1 /* UHC HS */
25#define IRQ_UDCDMA 2 /* UDC DMA */
26 /* Reserved */
27#define IRQ_PS2MOUSE 4 /* PS/2 Mouse */
28#define IRQ_UDC 5 /* UDC */
29#define IRQ_EXT0 6 /* External Interrupt 0 */
30#define IRQ_EXT1 7 /* External Interrupt 1 */
31#define IRQ_KEYPAD 8 /* Keypad */
32#define IRQ_DMA 9 /* DMA Controller */
33#define IRQ_ETHER 10 /* Ethernet MAC */
34 /* Reserved */
35 /* Reserved */
36#define IRQ_EXT2 13 /* External Interrupt 2 */
37#define IRQ_EXT3 14 /* External Interrupt 3 */
38#define IRQ_EXT4 15 /* External Interrupt 4 */
39#define IRQ_APB 16 /* APB Bridge */
40#define IRQ_DMA0 17 /* DMA Channel 0 */
41#define IRQ_I2C1 18 /* I2C 1 */
42#define IRQ_I2C0 19 /* I2C 0 */
43#define IRQ_SDMMC 20 /* SD/MMC Controller */
44#define IRQ_SDMMC_DMA 21 /* SD/MMC Controller DMA */
45#define IRQ_PMC_WU 22 /* Power Management Controller Wakeup */
46#define IRQ_PS2KBD 23 /* PS/2 Keyboard */
47#define IRQ_SPI0 24 /* SPI 0 */
48#define IRQ_SPI1 25 /* SPI 1 */
49#define IRQ_SPI2 26 /* SPI 2 */
50#define IRQ_DMA1 27 /* DMA Channel 1 */
51#define IRQ_NAND 28 /* NAND Flash Controller */
52#define IRQ_NAND_DMA 29 /* NAND Flash Controller DMA */
53#define IRQ_UART5 30 /* UART 5 */
54#define IRQ_UART4 31 /* UART 4 */
55#define IRQ_UART0 32 /* UART 0 */
56#define IRQ_UART1 33 /* UART 1 */
57#define IRQ_DMA2 34 /* DMA Channel 2 */
58#define IRQ_I2S 35 /* I2S */
59#define IRQ_PMCOS0 36 /* PMC OS Timer 0 */
60#define IRQ_PMCOS1 37 /* PMC OS Timer 1 */
61#define IRQ_PMCOS2 38 /* PMC OS Timer 2 */
62#define IRQ_PMCOS3 39 /* PMC OS Timer 3 */
63#define IRQ_DMA3 40 /* DMA Channel 3 */
64#define IRQ_DMA4 41 /* DMA Channel 4 */
65#define IRQ_AC97 42 /* AC97 Interface */
66 /* Reserved */
67#define IRQ_NOR 44 /* NOR Flash Controller */
68#define IRQ_DMA5 45 /* DMA Channel 5 */
69#define IRQ_DMA6 46 /* DMA Channel 6 */
70#define IRQ_UART2 47 /* UART 2 */
71#define IRQ_RTC 48 /* RTC Interrupt */
72#define IRQ_RTCSM 49 /* RTC Second/Minute Update Interrupt */
73#define IRQ_UART3 50 /* UART 3 */
74#define IRQ_DMA7 51 /* DMA Channel 7 */
75#define IRQ_EXT5 52 /* External Interrupt 5 */
76#define IRQ_EXT6 53 /* External Interrupt 6 */
77#define IRQ_EXT7 54 /* External Interrupt 7 */
78#define IRQ_CIR 55 /* CIR */
79#define IRQ_SIC0 56 /* SIC IRQ0 */
80#define IRQ_SIC1 57 /* SIC IRQ1 */
81#define IRQ_SIC2 58 /* SIC IRQ2 */
82#define IRQ_SIC3 59 /* SIC IRQ3 */
83#define IRQ_SIC4 60 /* SIC IRQ4 */
84#define IRQ_SIC5 61 /* SIC IRQ5 */
85#define IRQ_SIC6 62 /* SIC IRQ6 */
86#define IRQ_SIC7 63 /* SIC IRQ7 */
87 /* Reserved */
88#define IRQ_JPEGDEC 65 /* JPEG Decoder */
89#define IRQ_SAE 66 /* SAE (?) */
90 /* Reserved */
91#define IRQ_VPU 79 /* Video Processing Unit */
92#define IRQ_VPP 80 /* Video Post-Processor */
93#define IRQ_VID 81 /* Video Digital Input Interface */
94#define IRQ_SPU 82 /* SPU (?) */
95#define IRQ_PIP 83 /* PIP Error */
96#define IRQ_GE 84 /* Graphic Engine */
97#define IRQ_GOV 85 /* Graphic Overlay Engine */
98#define IRQ_DVO 86 /* Digital Video Output */
99 /* Reserved */
100#define IRQ_DMA8 92 /* DMA Channel 8 */
101#define IRQ_DMA9 93 /* DMA Channel 9 */
102#define IRQ_DMA10 94 /* DMA Channel 10 */
103#define IRQ_DMA11 95 /* DMA Channel 11 */
104#define IRQ_DMA12 96 /* DMA Channel 12 */
105#define IRQ_DMA13 97 /* DMA Channel 13 */
106#define IRQ_DMA14 98 /* DMA Channel 14 */
107#define IRQ_DMA15 99 /* DMA Channel 15 */
108 /* Reserved */
109#define IRQ_GOVW 111 /* GOVW (?) */
110#define IRQ_GOVRSDSCD 112 /* GOVR SDSCD (?) */
111#define IRQ_GOVRSDMIF 113 /* GOVR SDMIF (?) */
112#define IRQ_GOVRHDSCD 114 /* GOVR HDSCD (?) */
113#define IRQ_GOVRHDMIF 115 /* GOVR HDMIF (?) */
114
115#define WM8505_NR_IRQS 116
diff --git a/arch/arm/mach-vt8500/include/mach/wm8505_regs.h b/arch/arm/mach-vt8500/include/mach/wm8505_regs.h
new file mode 100644
index 000000000000..df1550941efb
--- /dev/null
+++ b/arch/arm/mach-vt8500/include/mach/wm8505_regs.h
@@ -0,0 +1,78 @@
1/*
2 * arch/arm/mach-vt8500/include/mach/wm8505_regs.h
3 *
4 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20#ifndef __ASM_ARM_ARCH_WM8505_REGS_H
21#define __ASM_ARM_ARCH_WM8505_REGS_H
22
23/* WM8505 Registers Map */
24
25#define WM8505_REGS_START_PHYS 0xd8000000 /* Start of MMIO registers */
26#define WM8505_REGS_START_VIRT 0xf8000000 /* Virtual mapping start */
27
28#define WM8505_DDR_BASE 0xd8000400 /* 1k DDR/DDR2 Memory
29 Controller */
30#define WM8505_DMA_BASE 0xd8001800 /* 1k DMA Controller */
31#define WM8505_VDMA_BASE 0xd8001c00 /* 1k VDMA */
32#define WM8505_SFLASH_BASE 0xd8002000 /* 1k Serial Flash Memory
33 Controller */
34#define WM8505_ETHER_BASE 0xd8004000 /* 1k Ethernet MAC 0 */
35#define WM8505_CIPHER_BASE 0xd8006000 /* 4k Cipher */
36#define WM8505_USB_BASE 0xd8007000 /* 2k USB 2.0 Host */
37# define WM8505_EHCI_BASE 0xd8007100 /* EHCI */
38# define WM8505_UHCI_BASE 0xd8007301 /* UHCI */
39#define WM8505_PS2_BASE 0xd8008800 /* 1k PS/2 */
40#define WM8505_NAND_BASE 0xd8009000 /* 1k NAND Controller */
41#define WM8505_NOR_BASE 0xd8009400 /* 1k NOR Controller */
42#define WM8505_SDMMC_BASE 0xd800a000 /* 1k SD/MMC Controller */
43#define WM8505_VPU_BASE 0xd8050000 /* 256 VPU */
44#define WM8505_GOV_BASE 0xd8050300 /* 256 GOV */
45#define WM8505_GEGEA_BASE 0xd8050400 /* 768 GE/GE Alpha Mixing */
46#define WM8505_GOVR_BASE 0xd8050800 /* 512 GOVR (frambuffer) */
47#define WM8505_VID_BASE 0xd8050a00 /* 256 VID */
48#define WM8505_SCL_BASE 0xd8050d00 /* 256 SCL */
49#define WM8505_VPP_BASE 0xd8050f00 /* 256 VPP */
50#define WM8505_JPEGDEC_BASE 0xd80fe000 /* 4k JPEG Decoder */
51#define WM8505_RTC_BASE 0xd8100000 /* 64k RTC */
52#define WM8505_GPIO_BASE 0xd8110000 /* 64k GPIO Configuration */
53#define WM8505_SCC_BASE 0xd8120000 /* 64k System Configuration*/
54#define WM8505_PMC_BASE 0xd8130000 /* 64k PMC Configuration */
55#define WM8505_IC_BASE 0xd8140000 /* 64k Interrupt Controller*/
56#define WM8505_SIC_BASE 0xd8150000 /* 64k Secondary IC */
57#define WM8505_UART0_BASE 0xd8200000 /* 64k UART 0 */
58#define WM8505_UART2_BASE 0xd8210000 /* 64k UART 2 */
59#define WM8505_PWM_BASE 0xd8220000 /* 64k PWM Configuration */
60#define WM8505_SPI0_BASE 0xd8240000 /* 64k SPI 0 */
61#define WM8505_SPI1_BASE 0xd8250000 /* 64k SPI 1 */
62#define WM8505_KEYPAD_BASE 0xd8260000 /* 64k Keypad control */
63#define WM8505_CIR_BASE 0xd8270000 /* 64k CIR */
64#define WM8505_I2C0_BASE 0xd8280000 /* 64k I2C 0 */
65#define WM8505_AC97_BASE 0xd8290000 /* 64k AC97 */
66#define WM8505_SPI2_BASE 0xd82a0000 /* 64k SPI 2 */
67#define WM8505_UART1_BASE 0xd82b0000 /* 64k UART 1 */
68#define WM8505_UART3_BASE 0xd82c0000 /* 64k UART 3 */
69#define WM8505_I2C1_BASE 0xd8320000 /* 64k I2C 1 */
70#define WM8505_I2S_BASE 0xd8330000 /* 64k I2S */
71#define WM8505_UART4_BASE 0xd8370000 /* 64k UART 4 */
72#define WM8505_UART5_BASE 0xd8380000 /* 64k UART 5 */
73
74#define WM8505_REGS_END_PHYS 0xd838ffff /* End of MMIO registers */
75#define WM8505_REGS_LENGTH (WM8505_REGS_END_PHYS \
76 - WM8505_REGS_START_PHYS + 1)
77
78#endif
diff --git a/arch/arm/mach-vt8500/irq.c b/arch/arm/mach-vt8500/irq.c
new file mode 100644
index 000000000000..5f4ddde4f02a
--- /dev/null
+++ b/arch/arm/mach-vt8500/irq.c
@@ -0,0 +1,177 @@
1/*
2 * arch/arm/mach-vt8500/irq.c
3 *
4 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include <linux/io.h>
22#include <linux/irq.h>
23#include <linux/interrupt.h>
24
25#include <asm/irq.h>
26
27#include "devices.h"
28
29#define VT8500_IC_DCTR 0x40 /* Destination control
30 register, 64*u8 */
31#define VT8500_INT_ENABLE (1 << 3)
32#define VT8500_TRIGGER_HIGH (0 << 4)
33#define VT8500_TRIGGER_RISING (1 << 4)
34#define VT8500_TRIGGER_FALLING (2 << 4)
35#define VT8500_EDGE ( VT8500_TRIGGER_RISING \
36 | VT8500_TRIGGER_FALLING)
37#define VT8500_IC_STATUS 0x80 /* Interrupt status, 2*u32 */
38
39static void __iomem *ic_regbase;
40static void __iomem *sic_regbase;
41
42static void vt8500_irq_mask(unsigned int irq)
43{
44 void __iomem *base = ic_regbase;
45 u8 edge;
46
47 if (irq >= 64) {
48 base = sic_regbase;
49 irq -= 64;
50 }
51 edge = readb(base + VT8500_IC_DCTR + irq) & VT8500_EDGE;
52 if (edge) {
53 void __iomem *stat_reg = base + VT8500_IC_STATUS
54 + (irq < 32 ? 0 : 4);
55 unsigned status = readl(stat_reg);
56
57 status |= (1 << (irq & 0x1f));
58 writel(status, stat_reg);
59 } else {
60 u8 dctr = readb(base + VT8500_IC_DCTR + irq);
61
62 dctr &= ~VT8500_INT_ENABLE;
63 writeb(dctr, base + VT8500_IC_DCTR + irq);
64 }
65}
66
67static void vt8500_irq_unmask(unsigned int irq)
68{
69 void __iomem *base = ic_regbase;
70 u8 dctr;
71
72 if (irq >= 64) {
73 base = sic_regbase;
74 irq -= 64;
75 }
76 dctr = readb(base + VT8500_IC_DCTR + irq);
77 dctr |= VT8500_INT_ENABLE;
78 writeb(dctr, base + VT8500_IC_DCTR + irq);
79}
80
81static int vt8500_irq_set_type(unsigned int irq, unsigned int flow_type)
82{
83 void __iomem *base = ic_regbase;
84 unsigned int orig_irq = irq;
85 u8 dctr;
86
87 if (irq >= 64) {
88 base = sic_regbase;
89 irq -= 64;
90 }
91
92 dctr = readb(base + VT8500_IC_DCTR + irq);
93 dctr &= ~VT8500_EDGE;
94
95 switch (flow_type) {
96 case IRQF_TRIGGER_LOW:
97 return -EINVAL;
98 case IRQF_TRIGGER_HIGH:
99 dctr |= VT8500_TRIGGER_HIGH;
100 irq_desc[orig_irq].handle_irq = handle_level_irq;
101 break;
102 case IRQF_TRIGGER_FALLING:
103 dctr |= VT8500_TRIGGER_FALLING;
104 irq_desc[orig_irq].handle_irq = handle_edge_irq;
105 break;
106 case IRQF_TRIGGER_RISING:
107 dctr |= VT8500_TRIGGER_RISING;
108 irq_desc[orig_irq].handle_irq = handle_edge_irq;
109 break;
110 }
111 writeb(dctr, base + VT8500_IC_DCTR + irq);
112
113 return 0;
114}
115
116static struct irq_chip vt8500_irq_chip = {
117 .name = "vt8500",
118 .ack = vt8500_irq_mask,
119 .mask = vt8500_irq_mask,
120 .unmask = vt8500_irq_unmask,
121 .set_type = vt8500_irq_set_type,
122};
123
124void __init vt8500_init_irq(void)
125{
126 unsigned int i;
127
128 ic_regbase = ioremap(wmt_ic_base, SZ_64K);
129
130 if (ic_regbase) {
131 /* Enable rotating priority for IRQ */
132 writel((1 << 6), ic_regbase + 0x20);
133 writel(0, ic_regbase + 0x24);
134
135 for (i = 0; i < wmt_nr_irqs; i++) {
136 /* Disable all interrupts and route them to IRQ */
137 writeb(0x00, ic_regbase + VT8500_IC_DCTR + i);
138
139 set_irq_chip(i, &vt8500_irq_chip);
140 set_irq_handler(i, handle_level_irq);
141 set_irq_flags(i, IRQF_VALID);
142 }
143 } else {
144 printk(KERN_ERR "Unable to remap the Interrupt Controller registers, not enabling IRQs!\n");
145 }
146}
147
148void __init wm8505_init_irq(void)
149{
150 unsigned int i;
151
152 ic_regbase = ioremap(wmt_ic_base, SZ_64K);
153 sic_regbase = ioremap(wmt_sic_base, SZ_64K);
154
155 if (ic_regbase && sic_regbase) {
156 /* Enable rotating priority for IRQ */
157 writel((1 << 6), ic_regbase + 0x20);
158 writel(0, ic_regbase + 0x24);
159 writel((1 << 6), sic_regbase + 0x20);
160 writel(0, sic_regbase + 0x24);
161
162 for (i = 0; i < wmt_nr_irqs; i++) {
163 /* Disable all interrupts and route them to IRQ */
164 if (i < 64)
165 writeb(0x00, ic_regbase + VT8500_IC_DCTR + i);
166 else
167 writeb(0x00, sic_regbase + VT8500_IC_DCTR
168 + i - 64);
169
170 set_irq_chip(i, &vt8500_irq_chip);
171 set_irq_handler(i, handle_level_irq);
172 set_irq_flags(i, IRQF_VALID);
173 }
174 } else {
175 printk(KERN_ERR "Unable to remap the Interrupt Controller registers, not enabling IRQs!\n");
176 }
177}
diff --git a/arch/arm/mach-vt8500/pwm.c b/arch/arm/mach-vt8500/pwm.c
new file mode 100644
index 000000000000..8ad825e93592
--- /dev/null
+++ b/arch/arm/mach-vt8500/pwm.c
@@ -0,0 +1,265 @@
1/*
2 * arch/arm/mach-vt8500/pwm.c
3 *
4 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16#include <linux/module.h>
17#include <linux/kernel.h>
18#include <linux/platform_device.h>
19#include <linux/slab.h>
20#include <linux/err.h>
21#include <linux/io.h>
22#include <linux/pwm.h>
23#include <linux/delay.h>
24
25#include <asm/div64.h>
26
27#define VT8500_NR_PWMS 4
28
29static DEFINE_MUTEX(pwm_lock);
30static LIST_HEAD(pwm_list);
31
32struct pwm_device {
33 struct list_head node;
34 struct platform_device *pdev;
35
36 const char *label;
37
38 void __iomem *regbase;
39
40 unsigned int use_count;
41 unsigned int pwm_id;
42};
43
44#define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t)
45static inline void pwm_busy_wait(void __iomem *reg, u8 bitmask)
46{
47 int loops = msecs_to_loops(10);
48 while ((readb(reg) & bitmask) && --loops)
49 cpu_relax();
50
51 if (unlikely(!loops))
52 pr_warning("Waiting for status bits 0x%x to clear timed out\n",
53 bitmask);
54}
55
56int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
57{
58 unsigned long long c;
59 unsigned long period_cycles, prescale, pv, dc;
60
61 if (pwm == NULL || period_ns == 0 || duty_ns > period_ns)
62 return -EINVAL;
63
64 c = 25000000/2; /* wild guess --- need to implement clocks */
65 c = c * period_ns;
66 do_div(c, 1000000000);
67 period_cycles = c;
68
69 if (period_cycles < 1)
70 period_cycles = 1;
71 prescale = (period_cycles - 1) / 4096;
72 pv = period_cycles / (prescale + 1) - 1;
73 if (pv > 4095)
74 pv = 4095;
75
76 if (prescale > 1023)
77 return -EINVAL;
78
79 c = (unsigned long long)pv * duty_ns;
80 do_div(c, period_ns);
81 dc = c;
82
83 pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 1));
84 writel(prescale, pwm->regbase + 0x4 + (pwm->pwm_id << 4));
85
86 pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 2));
87 writel(pv, pwm->regbase + 0x8 + (pwm->pwm_id << 4));
88
89 pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 3));
90 writel(dc, pwm->regbase + 0xc + (pwm->pwm_id << 4));
91
92 return 0;
93}
94EXPORT_SYMBOL(pwm_config);
95
96int pwm_enable(struct pwm_device *pwm)
97{
98 pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 0));
99 writel(5, pwm->regbase + (pwm->pwm_id << 4));
100 return 0;
101}
102EXPORT_SYMBOL(pwm_enable);
103
104void pwm_disable(struct pwm_device *pwm)
105{
106 pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 0));
107 writel(0, pwm->regbase + (pwm->pwm_id << 4));
108}
109EXPORT_SYMBOL(pwm_disable);
110
111struct pwm_device *pwm_request(int pwm_id, const char *label)
112{
113 struct pwm_device *pwm;
114 int found = 0;
115
116 mutex_lock(&pwm_lock);
117
118 list_for_each_entry(pwm, &pwm_list, node) {
119 if (pwm->pwm_id == pwm_id) {
120 found = 1;
121 break;
122 }
123 }
124
125 if (found) {
126 if (pwm->use_count == 0) {
127 pwm->use_count++;
128 pwm->label = label;
129 } else {
130 pwm = ERR_PTR(-EBUSY);
131 }
132 } else {
133 pwm = ERR_PTR(-ENOENT);
134 }
135
136 mutex_unlock(&pwm_lock);
137 return pwm;
138}
139EXPORT_SYMBOL(pwm_request);
140
141void pwm_free(struct pwm_device *pwm)
142{
143 mutex_lock(&pwm_lock);
144
145 if (pwm->use_count) {
146 pwm->use_count--;
147 pwm->label = NULL;
148 } else {
149 pr_warning("PWM device already freed\n");
150 }
151
152 mutex_unlock(&pwm_lock);
153}
154EXPORT_SYMBOL(pwm_free);
155
156static inline void __add_pwm(struct pwm_device *pwm)
157{
158 mutex_lock(&pwm_lock);
159 list_add_tail(&pwm->node, &pwm_list);
160 mutex_unlock(&pwm_lock);
161}
162
163static int __devinit pwm_probe(struct platform_device *pdev)
164{
165 struct pwm_device *pwms;
166 struct resource *r;
167 int ret = 0;
168 int i;
169
170 pwms = kzalloc(sizeof(struct pwm_device) * VT8500_NR_PWMS, GFP_KERNEL);
171 if (pwms == NULL) {
172 dev_err(&pdev->dev, "failed to allocate memory\n");
173 return -ENOMEM;
174 }
175
176 for (i = 0; i < VT8500_NR_PWMS; i++) {
177 pwms[i].use_count = 0;
178 pwms[i].pwm_id = i;
179 pwms[i].pdev = pdev;
180 }
181
182 r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
183 if (r == NULL) {
184 dev_err(&pdev->dev, "no memory resource defined\n");
185 ret = -ENODEV;
186 goto err_free;
187 }
188
189 r = request_mem_region(r->start, resource_size(r), pdev->name);
190 if (r == NULL) {
191 dev_err(&pdev->dev, "failed to request memory resource\n");
192 ret = -EBUSY;
193 goto err_free;
194 }
195
196 pwms[0].regbase = ioremap(r->start, resource_size(r));
197 if (pwms[0].regbase == NULL) {
198 dev_err(&pdev->dev, "failed to ioremap() registers\n");
199 ret = -ENODEV;
200 goto err_free_mem;
201 }
202
203 for (i = 1; i < VT8500_NR_PWMS; i++)
204 pwms[i].regbase = pwms[0].regbase;
205
206 for (i = 0; i < VT8500_NR_PWMS; i++)
207 __add_pwm(&pwms[i]);
208
209 platform_set_drvdata(pdev, pwms);
210 return 0;
211
212err_free_mem:
213 release_mem_region(r->start, resource_size(r));
214err_free:
215 kfree(pwms);
216 return ret;
217}
218
219static int __devexit pwm_remove(struct platform_device *pdev)
220{
221 struct pwm_device *pwms;
222 struct resource *r;
223 int i;
224
225 pwms = platform_get_drvdata(pdev);
226 if (pwms == NULL)
227 return -ENODEV;
228
229 mutex_lock(&pwm_lock);
230
231 for (i = 0; i < VT8500_NR_PWMS; i++)
232 list_del(&pwms[i].node);
233 mutex_unlock(&pwm_lock);
234
235 iounmap(pwms[0].regbase);
236
237 r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
238 release_mem_region(r->start, resource_size(r));
239
240 kfree(pwms);
241 return 0;
242}
243
244static struct platform_driver pwm_driver = {
245 .driver = {
246 .name = "vt8500-pwm",
247 .owner = THIS_MODULE,
248 },
249 .probe = pwm_probe,
250 .remove = __devexit_p(pwm_remove),
251};
252
253static int __init pwm_init(void)
254{
255 return platform_driver_register(&pwm_driver);
256}
257arch_initcall(pwm_init);
258
259static void __exit pwm_exit(void)
260{
261 platform_driver_unregister(&pwm_driver);
262}
263module_exit(pwm_exit);
264
265MODULE_LICENSE("GPL");
diff --git a/arch/arm/mach-vt8500/timer.c b/arch/arm/mach-vt8500/timer.c
new file mode 100644
index 000000000000..d5376c592ab6
--- /dev/null
+++ b/arch/arm/mach-vt8500/timer.c
@@ -0,0 +1,155 @@
1/*
2 * arch/arm/mach-vt8500/timer.c
3 *
4 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include <linux/io.h>
22#include <linux/irq.h>
23#include <linux/interrupt.h>
24#include <linux/clocksource.h>
25#include <linux/clockchips.h>
26#include <linux/delay.h>
27
28#include <asm/mach/time.h>
29
30#include "devices.h"
31
32#define VT8500_TIMER_OFFSET 0x0100
33#define TIMER_MATCH_VAL 0x0000
34#define TIMER_COUNT_VAL 0x0010
35#define TIMER_STATUS_VAL 0x0014
36#define TIMER_IER_VAL 0x001c /* interrupt enable */
37#define TIMER_CTRL_VAL 0x0020
38#define TIMER_AS_VAL 0x0024 /* access status */
39#define TIMER_COUNT_R_ACTIVE (1 << 5) /* not ready for read */
40#define TIMER_COUNT_W_ACTIVE (1 << 4) /* not ready for write */
41#define TIMER_MATCH_W_ACTIVE (1 << 0) /* not ready for write */
42#define VT8500_TIMER_HZ 3000000
43
44#define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t)
45
46static void __iomem *regbase;
47
48static cycle_t vt8500_timer_read(struct clocksource *cs)
49{
50 int loops = msecs_to_loops(10);
51 writel(3, regbase + TIMER_CTRL_VAL);
52 while ((readl((regbase + TIMER_AS_VAL)) & TIMER_COUNT_R_ACTIVE)
53 && --loops)
54 cpu_relax();
55 return readl(regbase + TIMER_COUNT_VAL);
56}
57
58struct clocksource clocksource = {
59 .name = "vt8500_timer",
60 .rating = 200,
61 .read = vt8500_timer_read,
62 .mask = CLOCKSOURCE_MASK(32),
63 .flags = CLOCK_SOURCE_IS_CONTINUOUS,
64};
65
66static int vt8500_timer_set_next_event(unsigned long cycles,
67 struct clock_event_device *evt)
68{
69 int loops = msecs_to_loops(10);
70 cycle_t alarm = clocksource.read(&clocksource) + cycles;
71 while ((readl(regbase + TIMER_AS_VAL) & TIMER_MATCH_W_ACTIVE)
72 && --loops)
73 cpu_relax();
74 writel((unsigned long)alarm, regbase + TIMER_MATCH_VAL);
75
76 if ((signed)(alarm - clocksource.read(&clocksource)) <= 16)
77 return -ETIME;
78
79 writel(1, regbase + TIMER_IER_VAL);
80
81 return 0;
82}
83
84static void vt8500_timer_set_mode(enum clock_event_mode mode,
85 struct clock_event_device *evt)
86{
87 switch (mode) {
88 case CLOCK_EVT_MODE_RESUME:
89 case CLOCK_EVT_MODE_PERIODIC:
90 break;
91 case CLOCK_EVT_MODE_ONESHOT:
92 case CLOCK_EVT_MODE_UNUSED:
93 case CLOCK_EVT_MODE_SHUTDOWN:
94 writel(readl(regbase + TIMER_CTRL_VAL) | 1,
95 regbase + TIMER_CTRL_VAL);
96 writel(0, regbase + TIMER_IER_VAL);
97 break;
98 }
99}
100
101struct clock_event_device clockevent = {
102 .name = "vt8500_timer",
103 .features = CLOCK_EVT_FEAT_ONESHOT,
104 .rating = 200,
105 .set_next_event = vt8500_timer_set_next_event,
106 .set_mode = vt8500_timer_set_mode,
107};
108
109static irqreturn_t vt8500_timer_interrupt(int irq, void *dev_id)
110{
111 struct clock_event_device *evt = dev_id;
112 writel(0xf, regbase + TIMER_STATUS_VAL);
113 evt->event_handler(evt);
114
115 return IRQ_HANDLED;
116}
117
118struct irqaction irq = {
119 .name = "vt8500_timer",
120 .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
121 .handler = vt8500_timer_interrupt,
122 .dev_id = &clockevent,
123};
124
125static void __init vt8500_timer_init(void)
126{
127 regbase = ioremap(wmt_pmc_base + VT8500_TIMER_OFFSET, 0x28);
128 if (!regbase)
129 printk(KERN_ERR "vt8500_timer_init: failed to map MMIO registers\n");
130
131 writel(1, regbase + TIMER_CTRL_VAL);
132 writel(0xf, regbase + TIMER_STATUS_VAL);
133 writel(~0, regbase + TIMER_MATCH_VAL);
134
135 if (clocksource_register_hz(&clocksource, VT8500_TIMER_HZ))
136 printk(KERN_ERR "vt8500_timer_init: clocksource_register failed for %s\n",
137 clocksource.name);
138
139 clockevents_calc_mult_shift(&clockevent, VT8500_TIMER_HZ, 4);
140
141 /* copy-pasted from mach-msm; no idea */
142 clockevent.max_delta_ns =
143 clockevent_delta2ns(0xf0000000, &clockevent);
144 clockevent.min_delta_ns = clockevent_delta2ns(4, &clockevent);
145 clockevent.cpumask = cpumask_of(0);
146
147 if (setup_irq(wmt_timer_irq, &irq))
148 printk(KERN_ERR "vt8500_timer_init: setup_irq failed for %s\n",
149 clockevent.name);
150 clockevents_register_device(&clockevent);
151}
152
153struct sys_timer vt8500_timer = {
154 .init = vt8500_timer_init
155};
diff --git a/arch/arm/mach-vt8500/wm8505_7in.c b/arch/arm/mach-vt8500/wm8505_7in.c
new file mode 100644
index 000000000000..e73aadbcafd6
--- /dev/null
+++ b/arch/arm/mach-vt8500/wm8505_7in.c
@@ -0,0 +1,77 @@
1/*
2 * arch/arm/mach-vt8500/wm8505_7in.c
3 *
4 * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include <linux/io.h>
22#include <linux/pm.h>
23
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26
27#include "devices.h"
28
29static void __iomem *pmc_hiber;
30
31static struct platform_device *devices[] __initdata = {
32 &vt8500_device_uart0,
33 &vt8500_device_ehci,
34 &vt8500_device_wm8505_fb,
35 &vt8500_device_ge_rops,
36 &vt8500_device_pwm,
37 &vt8500_device_pwmbl,
38 &vt8500_device_rtc,
39};
40
41static void vt8500_power_off(void)
42{
43 local_irq_disable();
44 writew(5, pmc_hiber);
45 asm("mcr%? p15, 0, %0, c7, c0, 4" : : "r" (0));
46}
47
48void __init wm8505_7in_init(void)
49{
50#ifdef CONFIG_FB_WM8505
51 void __iomem *gpio_mux_reg = ioremap(wmt_gpio_base + 0x200, 4);
52 if (gpio_mux_reg) {
53 writel(readl(gpio_mux_reg) | 0x80000000, gpio_mux_reg);
54 iounmap(gpio_mux_reg);
55 } else {
56 printk(KERN_ERR "Could not remap the GPIO mux register, display may not work properly!\n");
57 }
58#endif
59 pmc_hiber = ioremap(wmt_pmc_base + 0x12, 2);
60 if (pmc_hiber)
61 pm_power_off = &vt8500_power_off;
62 else
63 printk(KERN_ERR "PMC Hibernation register could not be remapped, not enabling power off!\n");
64
65 wm8505_set_resources();
66 platform_add_devices(devices, ARRAY_SIZE(devices));
67 vt8500_gpio_init();
68}
69
70MACHINE_START(WM8505_7IN_NETBOOK, "WM8505 7-inch generic netbook")
71 .boot_params = 0x00000100,
72 .reserve = wm8505_reserve_mem,
73 .map_io = wm8505_map_io,
74 .init_irq = wm8505_init_irq,
75 .timer = &vt8500_timer,
76 .init_machine = wm8505_7in_init,
77MACHINE_END
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-05 11:35:52 -0500